Home / 95,998.20-143,997.30-88,999.80

Finding the Fourth Proportional to 95,998.20, 143,997.30 and 88,999.80

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Solution

The fourth proportional to 95,998.20, 143,997.30 and 88,999.80 is: 133,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,998.20 : 143,997.30 = 88,999.80 : x
  2. Step 2: Convert to fraction form
    95,998.20/143,997.30 = 88,999.80/x
  3. Step 3: Cross multiply
    95,998.20x = 143,997.30 × 88,999.80
  4. Step 4: Simplify right side
    95,998.20x = 12,815,730,900.54
  5. Step 5: Solve for x
    x = 12,815,730,900.54/95,998.20
  6. Step 6: Final answer
    x = 133,499.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.